| improved superoxide-generating system suitable for the assessment of the superoxide-scavenging ability of aqueous extracts of food constituents using ultraweak chemiluminescence. | in the interest of developing a simple and rapid ultraweak chemiluminescence assay for assessing the superoxide (o(2)(-))-scavenging activities of various aqueous extracts of food constituents, a specific and stable o(2)(-)-generating system was sought. reported herein is the obtainment for the first time of a specific and stable o(2)(-)-generating system consisting of methylglyoxal (mg), a reactive 2-oxo aldehyde and arginine, which has been shown to produce much steadier lucigenin-based chemil ... | 2003 | 12502385 |
| bioactive kaurane diterpenes and coumarins from fortunella margarita. | two bioactive pyranocoumarins 1 (sesselin) and 3 (xanthyletin) and one prenylated coumarin 2 (suberosin), beside three rare kaurene diterpenes 5-7 were isolated from the roots of fortunella margarita. their structures were determined from their spectroscopic data, including 1h/13c 2d nmr experiments. the kaurene diterpenes 5-7 are reported in rutaceae for the first time. diterpene 5 was found to be a potent stimulator of uterine contraction; it also caused stimulation of brain activity. | 2003 | 12641334 |
| Fortunella margarita Transcriptional Reprogramming Triggered by Xanthomonas citri subsp. citri. | ABSTRACT: | 2011 | 22078099 |
| a survey of fls2 genes from multiple citrus species identifies candidates for enhancing disease resistance to xanthomonas citri ssp. citri. | pathogen-associated molecular patterns (pamps)-triggered immunity (pti) is an important component of plant innate immunity. in a previous study, we showed that the pamp flg22 from xanthomonas citri ssp. citri (xflg22), the causal agent of citrus canker, induced pti in citrus, which correlated with the observed levels of canker resistance. here, we identified and sequenced two bacterial flagellin/flg22 receptors (fls2-1 and fls2-2) from 'duncan' grapefruit (citrus paradisi, cpfls2-1 and cpfls2-2) ... | 2016 | 27222722 |
| phytochemical profile and evaluation of the biological activities of essential oils derived from the greek aromatic plant species ocimum basilicum, mentha spicata, pimpinella anisum and fortunella margarita. | natural products, known for their medicinal properties since antiquity, are continuously being studied for their biological properties. in the present study, we analyzed the composition of the volatile preparations of essential oils of the greek plants ocimum basilicum (sweet basil), mentha spicata (spearmint), pimpinella anisum (anise) and fortunella margarita (kumquat). gc/ms analyses revealed that the major components in the essential oil fractions, were carvone (85.4%) in spearmint, methyl c ... | 2016 | 27537869 |
| a transcriptionally active copia-like retroelement in citrus limon. | the plant nuclear genome is largely composed of mobile dna, which can rearrange genomes and other individual gene structure and also affect gene regulation through various promoted activities: transposition, insertion, excision, chromosome breakage, and ectopic recombination. ty1-copia-like retrotransposon is a widespread class of transposable elements in the plant kingdom, representing a large part of the total dna content. here, a novel retrotransposon-like sequence was isolated and identified ... | 2009 | 19115051 |
| chemical profiling using uplc q-tof/ms and antioxidant activities of fortunella fruits. | the fruits of fortunella swingle are widely consumed as fresh fruits and traditional medicine in china. china is the origin center and has the largest cultivated area of the genus fortunella. in this study, the chemical compositions of ethanol extracts of the major fortunella cultivated types including fortunella japonica swingle, fortunella margarita swingle, fortunella crassifolia swingle 1 (lanshang) and fortunella crassifolia swingle 2 (liuyang) were determined using ultra performance liquid ... | 2016 | 27243926 |
| drying effect on flavonoid composition and antioxidant activity of immature kumquat. | a seven flavonoids in hot water extract of immature kumquat (citrus japonica var. margarita) were identified and quantified (mg/100g fresh fruit): 3',5'-di-c-β-glucopyranosylphloretin (dgpp, 285.9 ± 2.9 mg/100g), acacetin 8-c-neohesperidoside (margaritene, 136.2 ± 2.6 mg/100g), acacetin 6-c-neohesperidoside (isomargaritene, 119.1 ± 1.8 mg/100g), fortunellin (acacetin 7-o-neohesperidoside, 28.5 ± 0.7 mg/100g), apigenin 8-c-neohesperidoside (16.9 ± 0.1mg/100g), poncirin (isosakuranetin 7-o-neohesp ... | 2015 | 25308680 |
| functionality of kumquat (fortunella margarita) in the production of fruity ice cream. | the aim of this study was to investigate the effect of kumquat (fortunella margarita) on the quality characteristics of ice cream. kumquat paste (kp) was added to an ice cream mix at four concentrations, 0 (control), 5, 10 and 15% (w/w), for ice cream production. | 2016 | 25920464 |
| rheological properties, molecular distribution, and microstructure of fortunella margarita (lour.) swingle polysaccharides. | fortunella margarita polysaccharides (fmps) are one of the main bioactive components of f. margarita. the activity is related to their rheological properties and structure. the objective of this study was to investigate the relationship between rheological properties, molecular distribution, and microstructure of crude fmps (c-fmps) and purified fmps (p-fmps). the results showed that both of solutions were shear-thinning pseudoplastic fluids with flow properties in line with the power law model. ... | 2015 | 25716133 |
| extraction optimization, structure and antioxidant activities of fortunella margarita swingle polysaccharides. | the objective of this study was to maximize the yield of polysaccharides extracted from fortunella margarita swingle (fmps) and investigate the relationship between the structure and antioxidant activities. the optimal conditions for ultrasonic-assisted extraction (uae) of fmps were ultrasonic power 171w, extraction temperature 50°c, water volume to raw material weight (w/m) ratio 32 ml/g and extraction time 87 min. under these conditions, the yield of fmps was 4.15±0.11% (w/w), which was increa ... | 2015 | 25542164 |
| resistance of citrus and related genera to diaphorina citri kuwayama (hemiptera: liviidae). | the present study was developed to evaluate the resistance of the following genotypes of citrus and related genera to this pest: 'pera,' 'natal', and 'washington navel' oranges (citrus sinensis), 'marsh seedless' grapefruit (citrus paradisi), hardy orange 'rubidoux' (poncirus trifoliata), kumquat (fortunella margarita swingle), citrumelo 'swingle' (c. paradisi x p. trifoliata), and citrange 'troyer' (p. trifoliata x c. sinensis). the experiments were performed in greenhouses with plants grafted ... | 2014 | 27193957 |
| [chemical constituents of fortunella margarita fruits]. | to study the chemical constituents of the fruits of fortunella margarita. | 2014 | 25174109 |
| the genomic dna immobilization on microcrystalline cellulose and its application to separate dna-binding proteins from kumquat (fortunella margarita swingle). | a method of immobilizing genomic dna on microcrystalline cellulose was described to isolate dna-binding proteins. at first, dna fragments were prepared by sonication and immobilized on cellulose phase. after the immobilization, dna duplex formation was done. using this microcrystalline cellulose affinity chromatography technique, dna-binding proteins from kumquat (fortunella margarita swingle) leaf samples were isolated and then analyzed by liquid chromatography-mass spectrometry (lc-ms/ms). lc- ... | 2014 | 25159508 |
| comparison of lipids, fatty acids and volatile compounds of various kumquat species using hs/gc/ms/fid techniques. | kumquat (fortunella spp.) is one of the important fruit species that has been introduced into turkey recently. it is well adapted to the mediterranean region in turkey. early research of kumquat was started on adaptation and pomological traits, and only a few studies have been concerned with chemical content. after understanding the health benefits of kumquat fruits farmers started their plantations in turkey. thus in this study the fruits of five kumquat species - fortunella margarita (lour.) s ... | 2015 | 25044361 |
| effects of fortunella margarita fruit extract on metabolic disorders in high-fat diet-induced obese c57bl/6 mice. | obesity is a nutritional disorder associated with many health problems such as dyslipidemia, type 2 diabetes and cardiovascular diseases. in the present study, we investigated the anti-metabolic disorder effects of kumquat (fortunella margarita swingle) fruit extract (fme) on high-fat diet-induced c57bl/6 obese mice. | 2014 | 24705395 |
| effect of heat treatments on the essential oils of kumquat (fortunella margarita swingle). | kumquats (fortunella margarita swingle) cultivated in taiwan are eaten raw or made into candied fruit or fruit tea. for the experiments described in this paper, essential oils were obtained from kumquat peels or whole fruit by cold pressing, steam distillation or heating in water at 90°c for 15 min followed by steam distillation. the volatile components contained in the essential oils were identified by direct injection (di) or headspace-solid phase microextraction (hs-spme) coupled with gas chr ... | 2013 | 23122094 |
| inhibition of prostate cancer (lncap) cell proliferation by volatile components from nagami kumquats. | fresh nagami kumquats (fortunella margarita) were subjected to hydrodistillation using a clevenger-type apparatus to obtain volatile oil. the chemical composition of the volatile oil was analyzed by gc-ms using rtx-5 sil ms and db wax columns. a total of 25 volatile compounds were identified by mass spectra, retention index, and comparison with known standards. the major identified compounds are d-limonene (41.64 %), β-myrecene (16.54 %), linalyl propionate (9.55 %), and germacrene-d (5.93 %) fr ... | 2012 | 22673830 |
| polyphenolic composition and antioxidant characteristics of kumquat (fortunella margarita) peel fractions. | the polyphenolic composition of two fortunella margarita (nagami kumquat) specimens from greece and egypt was investigated employing fractionation by solvent partition and liquid chromatography-mass spectrometry. the main groups of phenolics identified in the different fractions generated were c-glycosylated flavones, o-glycosylated flavones, c-glycosylated flavanones, o-glycosylated flavanones, flavonols, chalcones, phenolic acids and derivatives thereof. the antioxidant potency of the fraction ... | 2009 | 19866359 |
| heat treatment enhances the no-suppressing and peroxynitrite-intercepting activities of kumquat (fortunella margarita swingle) peel. | in taiwan, folk remedies containing dried kumquats (fortunella margarita swingle) are used to cure inflammatory respiratory disorders. the induction of inducible nitric oxide (no) synthase in inflammatory cells and increased airway production of no and peroxynitrite, its derivative, are key events in such disorders. although heat is known to affect the antioxidant activity of citrus peels, the effects of dehydration and heating on no suppression and on the interception of peroxynitrite are uncle ... | 2008 | 26054269 |
| pigment and plastid ultrastructural changes in kumquat (fortunella margarita) «nagami» during ripening. | the oval kumquat (fortunella margarita) «nagami» is a citrus relative belonging to theru- taceae family. pigment changes in the whole fruit were investigated at four stages of ripening. during ripening the chlorophylls gradually decreased, disappearing completely in the ripe fruits. the total carotenoid content decreased from 18.7 ¿ig/g to 14.6 /¿g/g and then increased to a level of 38.6 /ig/g in the ripe fruit. the chloroplast carotenoid pattern of the unripe fruit changed gradually into a comp ... | 1985 | 23195931 |